Postmark Usage Statistics

Postmark Customers

Get access to data on 54,112 websites that are Postmark Customers. We know of 11,191 live websites using Postmark and an additional 42,921 sites that used Postmark historically and 6,388 websites in the United States.

Postmark Location Market Share and Movement
Technology Won Lost
Mandrill Mandrill 1,291 407
Sendgrid Sendgrid 565 252
Mailgun Mailgun 495 533
SparkPost SparkPost 218 189
MailJet MailJet 154 64
Postmark Competitors and Similar